package com.wurao.controller;

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.wurao.entity.Alipay;
import com.wurao.service.AlipayService;
import com.wurao.util.DateUtil;
import com.wurao.util.ResponseUtil;
import com.wurao.util.alipay.AlipayConfig;


/**
 * 支付Controller层
 * @author Administrator
 *
 */
@Controller
@RequestMapping("/pay")
public class AlipayController {
	
	@Resource
	AlipayService alipayService;	

	/*****
	 * 商家菜单-我的余额-商家充值
	 * wurao
	 * @param model
	 * @return
	 */
	@RequestMapping(value = "/pay", method = RequestMethod.GET)
	public String sjRecharge(Long sjId, String stat, ModelMap model) {
		return "other/alipayRecharge/sjRecharge";
	}
	
	/**
	 * 跳转订单列表页面
	 * @return
	 */
	@RequestMapping("/toOrderListPage")
	public ModelAndView toOrderListPage(){
		ModelAndView mav=new ModelAndView();
		mav.addObject("title", "订单列表");
		mav.setViewName("other/alipayRecharge/orderList");
		return mav;
	}
	
	/**
	 * 分页查询订单信息
	 * @param page
	 * @param limit
	 * @return
	 */
	@RequestMapping(value="/orderList")
	@ResponseBody
	public Object orderList(@RequestParam(value="page",required=false)Integer page,@RequestParam(value="limit",required=false)Integer limit){
		Map<String,Object> resultMap=new HashMap<>();
		resultMap.put("start", (page-1)*limit);
		resultMap.put("size", limit);
	 	List<Alipay> orderList = alipayService.listAlipay(resultMap);
		Long count = alipayService.getTotal(resultMap);
		resultMap.clear();
		resultMap.put("code", 0);
		resultMap.put("count", count);
		resultMap.put("data", orderList);
		return resultMap;
	}
	
	/******
	 * 提交商家充值
	 * wurao
	 * @param rechargeMoney
	 * @param remark
	 * @param model
	 * @return
	 * @throws Exception 
	 */
	@RequestMapping(value = "/submitRecharge", method = RequestMethod.POST)
	public String submitRecharge(String rechargeMoney, String remark,String qq,String nickName,String way, ModelMap model,HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		String money = rechargeMoney.substring(0, 1);
		if(money.equals(".")) {
			rechargeMoney = "0"+rechargeMoney;
		}
		//订单号
		String rechargeNo = DateUtil.createID();

		//获得初始化的AlipayClient
		AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);
		
		//设置请求参数
		AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
		alipayRequest.setReturnUrl(AlipayConfig.return_url);
		alipayRequest.setNotifyUrl(AlipayConfig.notify_url);
		
		//商户订单号，商户网站订单系统中唯一订单号，必填
		String out_trade_no = rechargeNo;
		//付款金额，必填
		String total_amount = rechargeMoney;
		//订单名称，必填
		String subject = nickName+"来测试勿扰博客的支付系统啦~";
		//商品描述，可空
		String body = remark;
		
		Alipay alipay=new Alipay();
		alipay.setAddrIp("");
		alipay.setMoney(new BigDecimal(total_amount));
		alipay.setName(nickName);
		alipay.setOrderNo(out_trade_no);
		alipay.setRemark("充值了"+total_amount);
		alipay.setQq(qq);
		alipay.setWay("支付宝");
		alipay.setStatus(0);
		Integer id=alipayService.add(alipay);
		System.out.println("执行成功了："+id);
		
		alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\"," 
				+ "\"total_amount\":\""+ total_amount +"\"," 
				+ "\"subject\":\""+ subject +"\"," 
				+ "\"body\":\""+ body +"\"," 
				+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
		
		
		//若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
		//alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\"," 
		//		+ "\"total_amount\":\""+ total_amount +"\"," 
		//		+ "\"subject\":\""+ subject +"\"," 
		//		+ "\"body\":\""+ body +"\"," 
		//		+ "\"timeout_express\":\"10m\"," 
		//		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
		//请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节
		
		//请求
		String result = alipayClient.pageExecute(alipayRequest).getBody();
		
	    ResponseUtil.write(response, result);
		return null;
	}
	
	
	/*****
	 * 异步接收支付成功
	 * @param request
	 * @param response
	 * @param model
	 * @throws AlipayApiException 
	 */
	@RequestMapping(value = "/alipayNotifySucc", method = RequestMethod.POST)
	public String alipayNotifySucc(HttpServletRequest request, HttpServletResponse response, ModelMap model) throws AlipayApiException {
		try {
			//获取支付宝POST过来反馈信息
			Map<String,String> params = new HashMap<String,String>();
			Map<String,String[]> requestParams = request.getParameterMap();
			for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
				String name = (String) iter.next();
				String[] values = (String[]) requestParams.get(name);
				String valueStr = "";
				for (int i = 0; i < values.length; i++) {
					valueStr = (i == values.length - 1) ? valueStr + values[i]
							: valueStr + values[i] + ",";
				}
				//乱码解决，这段代码在出现乱码时使用
				//valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
				params.put(name, valueStr);
				System.out.println("name:"+name+",value"+valueStr);
			}
			
			boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

			//——请在这里编写您的程序（以下代码仅作参考）——
			
			/* 实际验证过程建议商户务必添加以下校验：
			1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
			2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
			3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
			4、验证app_id是否为该商户本身。
			*/
			if(signVerified) {//验证成功
				//商户订单号
				String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
			
				//支付宝交易号
				String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
			
				//交易状态
				String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");
				
				if(trade_status.equals("TRADE_FINISHED")){
					//判断该笔订单是否在商户网站中已经做过处理
					//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
					//如果有做过处理，不执行商户的业务程序
						
					//注意：
					//退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
				}else if (trade_status.equals("TRADE_SUCCESS")){
					//判断该笔订单是否在商户网站中已经做过处理
					//如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
					//如果有做过处理，不执行商户的业务程序
					
					//注意：
					//付款完成后，支付宝系统发送该交易状态通知
				}
				//Integer id=alipayService.add(alipay);
				System.out.println("success");
				return "Redirect:www.wurao.xin";
			}else {//验证失败
				System.out.println("fail");
			
				//调试用，写文本函数记录程序运行情况是否正常
				//String sWord = AlipaySignature.getSignCheckContentV1(params);
				//AlipayConfig.logResult(sWord);
			}
			
		} catch (UnsupportedEncodingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return "post";
	}
	
	
	
	/*****
	 * 同步接收支付成功
	 * @param request
	 * @param response
	 * @param model
	 * @throws AlipayApiException 
	 * @throws UnsupportedEncodingException 
	 */
	@RequestMapping(value = "/alipayReturnSucc", method = RequestMethod.GET)
	public String alipayReturnSucc(HttpServletRequest request, HttpServletResponse response, ModelMap model) throws AlipayApiException, UnsupportedEncodingException {
		//获取支付宝GET过来反馈信息
		Map<String,String> params = new HashMap<String,String>();
		Map<String,String[]> requestParams = request.getParameterMap();
		for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
			String name = (String) iter.next();
			String[] values = (String[]) requestParams.get(name);
			String valueStr = "";
			for (int i = 0; i < values.length; i++) {
				valueStr = (i == values.length - 1) ? valueStr + values[i]
						: valueStr + values[i] + ",";
			}
			//乱码解决，这段代码在出现乱码时使用
			valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
			params.put(name, valueStr);
		}
		
		boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

		//——请在这里编写您的程序（以下代码仅作参考）——
		if(signVerified) {
			//商户订单号
			String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
		
			//支付宝交易号
			String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
		
			//付款金额
			String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"),"UTF-8");
			
			Alipay alipay=alipayService.findByOrderNo(out_trade_no);
			if(alipay!=null){
				alipay.setStatus(1);
				alipayService.update(alipay);
				System.out.println("trade_no:"+trade_no+"<br/>out_trade_no:"+out_trade_no+"<br/>total_amount:"+total_amount);
			}
			return "redirect:/index.html";
		}else {
			System.out.println("验签失败");
		}
		return "get";
		//——请在这里编写您的程序（以上代码仅作参考）——
	}
}
